Jimmy Logan, a detective, tries to retrieve a diamond from the British crown stolen by the traitorous chief of the English Secret Service. After carrying out dangerous investigations at Montecarlo, Beirut and Hamburg, he discovers that the headquarters of the thieves is located in a mental hospital and sets about infiltrating their ranks.

Discovering that a woman from their small town in Sicily cheated on her husband, a group of upper class men investigate and try to identify her.

Lawyer Federico Fendi has reasons to suspect that his fashion model wife Carla is secretly one of Rome's highest paid call-girls.

Female American tourists are being kidnapped by a crime ring headed by a beautiful Asian woman. They're drugged and then sent to an island where they are kept as sex slaves to be used by wealthy tourists. Two agents are dispatched to rescue the women and put an end to this operation.

The firefighter student Francesco Perricone and his cousin the brigadier Barrese fall in love both of the beautiful brunette Caramella and the barracks of Rome are transferred to the village of Sicily where the girl lives.

When the lead robber in their gang steals the money from his two companions, a cat and mouse/back and forth game plays out as the men try to get the money for themselves. But another player, the heir of the sneaky gang leader, is also on the hunt...

Four men killed Django's brother a long time ago. A withdrawn rancher, a notorious card player, a despotic priest and a crazy albino with an obsession for gold. The relentless Django seeks for revenge and hunts them down without mercy.

Michael King is hired by a rich banker to track down his son, a famous nuclear physicist, who disappeared with a secret formula.